To provide a vehicle battery cooling device capable of shortening the rapid charge time.SOLUTION: There is provided a battery cooling device 10 that cools a battery 20 by circulating a refrigerant by a compressor 11 and cools air blown into a vehicle compartment 6, and when the battery 20 is being rapidly charged, a rotation speed of the compressor 11 is increased. More specifically, an upper limit rotation speed of the compressor 11 is increased to a predetermined rotation speed. At this time, the predetermined number of revolutions is determined on the basis of a maximum allowable noise level at a time of rapid charge of the battery 20.SELECTED DRAWING: Figure 2
【課題】急速充電時間を短縮することができる車両用バッテリ冷却装置を提供する。【解決手段】圧縮機11によって冷媒を循環させることによってバッテリ20を冷却し、車室内6へ送風する空気を冷却するバッテリ冷却装置10であって、バッテリ20を急速充電中の場合には、圧縮機11の回転数を増加させる。より詳細には、圧縮機11の上限回転数を所定回転数まで増加させる。このとき、所定回転数は、バッテリ20の急速充電時の許容騒音レベルに基づいて決定される。【選択図】図2
VEHICLE BATTERY COOLING DEVICE
車両用バッテリ冷却装置
2024-08-20
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
VEHICLE BATTERY COOLING DEVICE AND METHOD FOR COOLING VEHICLE BATTERY
European Patent Office | 2022
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